Ford F-150 (2018 year). Manual - part 139

At Every Oil Change Interval as Indicated by the Information Display

1

Inspect the steering linkage, ball joints, suspension, tire-rod ends, driveshaft and U-
joints. Lubricate any areas with grease fittings.

Inspect the wheels and related components for abnormal noise, wear, looseness or
drag.

1

 Do not exceed one year or 10,000 mi (16,000 km) between service intervals.

2

 Reset the Intelligent Oil-Life Monitor after engine oil and filter changes.  See Oil Change

Indicator Reset (page 348).

Other Maintenance Items 

1

Replace cabin air filter.

Every 20,000 mi
(32,000 km)

Replace engine air filter.

Every 30,000 mi
(48,000 km)

Change engine coolant.

2

At 100,000 mi
(160,000 km)

Replace spark plugs.

Every 100,000 mi
(160,000 km)

Inspect accessory drive belt(s).

3

Change automatic transmission fluid and filter.

Every 150,000 mi
(240,000 km)

Change front axle fluid (Four-wheel drive vehicles).

Change rear axle fluid.

Change transfer case fluid (Four-wheel drive vehicles).

Replace accessory drive belt(s).

1

 Perform these maintenance items within 3,000 mi (4,800 km) of the last engine oil and

filter change. Do not exceed the designated distance for the interval.

2

 Initial replacement at six years or 100,000 mi (160,000 km), then every three years or

50,000 mi (80,000 km).

3

 After initial inspection, inspect every other oil change until replaced.

SPECIAL OPERATING
CONDITIONS SCHEDULED
MAINTENANCE

If you operate your vehicle primarily in any
of the following conditions, you need to
perform extra maintenance, as indicated.
If you operate your vehicle occasionally
under any of these conditions, it is not
necessary to perform the extra
maintenance. For specific
recommendations, see your dealership
service advisor or technician.

Perform the services shown in the
following tables when specified or within
3,000 mi (4,800 km) of the OIL CHANGE
REQUIRED message appearing in the
information display.

•

Example 1: The OIL CHANGE
REQUIRED message comes on at
28,751 mi (46,270 km). Perform the
30,000 mi (48,000 km) automatic
transmission fluid replacement.

•

Example 2: The OIL CHANGE
REQUIRED message has not come
on, but the odometer reads 30,000 mi
(48,000 km) (for example, the
Intelligent Oil-Life Monitor was reset
at 25,000 mi (40,000 km)). Perform
the engine air filter replacement.

Towing a Trailer or Using a Car-top Carrier

Change engine oil and filter as indicated by the information
display and perform services listed in the Normal Sched-
uled Maintenance chart.

As required

Inspect and lubricate U-joints.

Inspect frequently, service
as required

See axle maintenance items under Exceptions.

Change transfer case fluid (Four-wheel drive vehicles).

Every 60,000 mi
(96,000 km)

Replace spark plugs.

Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use

(Such as Delivery, Taxi, Patrol Car or Livery)

Change engine oil and filter as indicated by the information
display and perform services listed in the Normal Sched-
uled Maintenance chart.

As required

Replace engine air filter. (Gasoline engine).

Inspect frequently, service
as required

Inspect the air filter restriction gauge. Replace the filter if
necessary (Diesel Engine).

Change transfer case fluid (Four-wheel drive vehicles).

Every 60,000 mi
(96,000 km)

Replace spark plugs.

Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)

Replace engine air filter. (Gasoline engine).

Inspect frequently, service
as required

Inspect the air filter restriction gauge. Replace the filter if
necessary (Diesel Engine).

Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.

Every 5,000 mi (8,000 km)

Rotate tires, inspect tires for wear and measure tread
depth.

Change engine oil and filter.

1

Every 5,000 mi (8,000 km)
or six months

Change transfer case fluid (Four-wheel drive vehicles).

Every 60,000 mi
(96,000 km)

1

Reset your Intelligent Oil-Life Monitor after each engine oil and filter change.

Off-road Operation

Inspect steering linkage, ball joints and U-joints. Lubricate
if equipped with grease fittings.

Inspect frequently, service
as required

Replace engine air filter. (Gasoline engine).

Inspect the air filter restriction gauge. Replace the filter if
necessary (Diesel Engine).

Change engine oil and filter.

1

Every 5,000 mi (8,000 km)
or six months

Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.

Rotate tires, inspect tires for wear and measure tread
depth.

Replace front wheel bearing grease and grease seals if
non-sealed bearings are used (Two-wheel drive vehicles).

Every 30,000 mi
(48,000 km)

Change transfer case fluid (Four-wheel drive vehicles).

Every 60,000 mi
(96,000 km)

1

Reset your Intelligent Oil-Life Monitor after each engine oil and filter change.

Exclusive Use of E85 (Flex Fuel Vehicles Only)

If ran exclusively on E85, fill the fuel tank full with regular
unleaded fuel.

Every oil change interval

Exceptions

There are several exceptions to the Normal
Schedule.

Axle and Transfer Case Maintenance

Axle(s) and transfer case (Four-wheel
drive vehicles) fluid changes or level
checks are not required unless a leak is
suspected or the assembly has been
submerged in water. Contact an authorized
dealer for service.

California Fuel Filter Replacement

If you register your vehicle in California, the
California Air Resources Board has
determined that the failure to perform this
maintenance item does not nullify the
emission warranty or limit recall liability
before the completion of your vehicle's
useful life. Ford Motor Company, however,
urges you to have all recommended
maintenance services performed at the
specified intervals and to record all vehicle
service.

Hot Climate Oil Change Intervals

Vehicles operating in the Middle East,
North Africa, Sub-Saharan Africa or
locations with similar climates using an
American Petroleum Institute (API)
Certified for Gasoline Engines (Certification
mark) oil of SM or SN quality, the normal
oil change interval is 3,000 mi (4,800 km).

If the available API SM or SN oils are not
available, then the oil change interval is
1,800 mi (2,900 km).

Engine Air Filter Replacement

The life of the engine air filter is dependent
on exposure to dusty and dirty conditions.
Vehicles operated in these conditions
require frequent inspection and
replacement of the engine air filter.